Genus: Lambeosaurus PARKS, 1923
Etymology: In honor of Lawrence Morris Lambe (1863-1919), Canadian Paleontologist, and Greek, sauros, "lizard."
= Didamodon von HUENE, 1956 (sic)
= Didanodon OSBORN, 1902
Etymology: Greek, di- (dia), “through, across, on both sides”, and Greek, idanos, “beautiful” and Greek, odon, “tooth”: “beautiful-sided tooth”.
= Procheneosaurus MATTHEW, 1920 (nomen conservandum)
Etymology: Before Cheneosaurus, proposed for a form resembling Cheneosaurus.
= Stephanosaurus LAMBE, 1914 (nomen dubium)
Etymology: Greek, stephane “crown, helmet” and Greek, sauros, “lizard”: “Crown lizard”.
= Tetragonasaurus NAGAO, 1936 (sic)
= Tetragonosaurus PARKS, 1931 (sic)
= Tetragonosaurus PARKS, 1931
Etymology: Greek, tetrgonos, “four-cornered, rectangular”, and Greek, sauros, “lizard”: “square (head) lizard”.

Species: lambei PARKS, 1923 (Male)
Etymology: In honor of Lawrence Morris Lambe.
= Hypacrosaurus lambei (PARKS, 1923)

Holotype: NMC 2869

Locality: 4 miles southwest of the mouth of Little Sandhill Creek, near Steveville, Red Deer River, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: Fairly complete skull and right ramus.

Referred material:

Locality: Sec. 20, tp. 21, R11W, 4th mer, 3 1/2 miles southwest of the mouth of Berry Creek, Red Deer River, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

NMC 351: Left half of skull, both dentaries and predentary, both femora, both tibia, one fibula, both ischia and 5 metatarsals of a female.

 


Locality: Quarry 045Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

ROM 758 (formerly 3577): Skull.

 

 

CHAPMAN & BRETT-SURMAN, 1990

Locality: Quarry Q050, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

FMNH WMUC 1479: Skull.

 


DANIS, 1986

Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

WMUC 1479 (Royal Ontario Museum, Now at Field Museum)

 

Locality: Quarry 175, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 82.38.1: Skull.

 


Locality: Quarry 163, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 81.37.1: Skull.

 

HOPSEN, 1975

Locality: Quarry 023, 1 1/2 miles northeast of Happy Jack Ferry, near Steveville, Dinosaur Provincial Park, Red Deer River, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

ROM 794 (old 5131): Skull of a male.


RUSSELL, 1940

Locality: Quarry 003, South side of the Red Deer River, legal subdivision 3, Sec. 4, ts 21, R11, west of 4th meridian, near Steveville, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Upper Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

ROM 6494 (formerly ROM 1218): Skull with sclerotic ring.

Note: With skin impressions (BELL, 2014).

 

DARREN TANKE, Pers Com.

Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP P67.9.166: Skull.

RTMP P78.16.1: Skull.
Note: New species?


Locality: Quarry 128, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP P80.23.4: Skull.

 

= Hadrosaurus paucidens MARSH, 1889 (nomen dubium)
Etymology: Latin, pauci, "little" and Latin, dens, "teeth."
= Ceratops paucidens (MARSH, 1889) HAY, 1901(nomen dubium)
= Hadrosaurus paucideres KEYES, 1894 (sic)

Holotype: USNM 5457

Locality: Dog Creek, (Cow Island, MERRILL, 1907), Fergus County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Left squamosal, right maxilla.

 

= Trachodon marginatus LAMBE, 1902 (nomen dubium; in part)
Etymology: Latin, marginatus, "having a border or margin."
= Stephanosaurus marginatus (LAMBE, 1902) LAMBE, 1914 (Holotype of Stephanosaurus).

Holotype:

Locality: Red Deer River, Alberta Province, Canada.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Skull, and two skeletons with skin impressions.

Referred material:

Locality: Two Medicine River in the Black Feet Indian Reservation, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

USNM 8052: Posterior portion of a right dentary.

= Trachodon altidens LAMBE, 1902 (nomen dubium)
Etymology: Latin, alti, "high" and Latin, dens, "teeth."
= Didanodon altidens (LAMBE, 1902) OSBORN, 1902 (nomen dubium)
= Procheneosaurus altidens (LAMBE, 1902) LULL & WRIGHT, 1942 (nomen dubium)
= Pteropelyx altidens (LAMBE, 1902) LAMBE, 1902 (nomen dubium)
= Thespesius altidens (LAMBE, 1902) STEEL, 1969 (nomen dubium)

Holotype: NMC 1092

Locality: Near Steveville, Red Deer River, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: A left maxilla with teeth.

Referred material:

SAHNI, 1972

Locality: Clambank Hollow, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

AMNH 8527: A small group of teeth.

 


= Tetragongosaurus praeceps PARKS, 1931 (Juvenile)
Etymology: Latin, prae, "before" and Laitn, ceps, "head."
= Procheneosaurus praeceps (PARKS, 1931) (Juvenile)

Holotype: AMNH 5340

Locality: Near Steveville, Red Deer River, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: Skull and skeleton.

Referred material:

Paratype:

Locality: 2 miles southeast of Sand Creek, 300 feet above river level, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

ROM 758 (GSC 3577): Skull, dentary, vertebral column from atlas to sacrum, ribs, and scapula.

 


= Corythosaurus frontalis PARKS, 1935 (Juvenile female)
Etymology: Latin, frontalis, "doublet of frontal."

Holotype: ROM 874 (Old ROM 869[GSC 5853])

Locality: Quarry 032, 3 1/2 miles below Steveville, west side of Red Deer River, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: Skull.

 


= Lambeosaurus clavinitialis STERNBERG, 1935 (Female)
Etymology:
= Lambeosaursu clavinatalis ROGERS, 1991 (sic)

Holotype: CMN (NMC) 8703

Locality: Quarry 062, 2 1/2 miles south of the mouth of Berry creek, 140 feet (aneroid) above the Red Deer River, near Steveville, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: Complete skeleton except predentary, left quadrate, postorbital, and squamosal, dorsal vertebrae, left dorsal ribs, left ilium, and some distal caudal vertebrae with skin impressions.

Referred material:

LULL & WRIGHT, 1942

Locality: 3 1/2 miles southwest of Berry Creek, Sec. 20, T21N, R11W, Red Deer River, near Steveville, Alberta Province, Canada.

Horizon: Judith River Formation, Campanian, Late Cretaceous.

Material:

NMC 351: Left half of skull, both dentaries, and predenatry, both femora, both tibiae, 1 fibula, both ischia, and 5 metatarsals.

 

 


Locality: Quarry 071, 3 miles south of the Little Sandhill Creek, Red Deer River, near Steveville, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

YPM 3222 (old GSC 8631): Skull and lower jaws, except premaxilla, quadrate and posterior part of jaws.

 

= Lambeosaurus cf. clavinitialis DODSON, 1975

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

DPP 4: Skull.

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Species: magnicristatus STERNBERG, 1935 (Male)
Etymology: Latin, magna, "large" and cristatus, "crest."
= Lambeosaurus magnicristatum STERNBERG, 1935 (Male)

Holotype: CMN (NMC) 8705

Locality: Quarry 108, About 3 miles southwest of mouth of Little Sandhill Creek, near top of beds, Red Deer River, near Steveville, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: Skull and greater part of skeleton except left manus and part of forearm right fore limb, ribs from right side and some distal caudals.

Referred material:

Locality: Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

PMAA P.66.41: Skull.

GILMORE, 1917

Locality: Two Medicine River Locality, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

USNM 8502: Right dentary without teeth.

 

Locality: Two Medicine River, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

USNM 7703: Fragment of dentary containing several teeth whose lateral margins are decorated with small rounded projections or pappillae from a point near the apex downward to the place where the crown begins to narrow again.

 

HORNER, 1979

Locality: Lake Basin (near Big Lake), about 24 km NNE of Columbus, Stillwater County, Montana.

Horizon: Bearpaw Formation.

Biostratigraphy:

Age: Upper Campanian-Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

YPM 21905: Fragmentary dentary and left maxillae and portion of left dentary.

 

STERNBERG, 1965

Locality: 7 miles southeast of Manyberries, Forty Mile County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 1966.004.0001: Skull and nearly complete skeleton, and skin impressions.

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